The transient temperature of the display case shelves was measured for studying the temperature variation and distribution in the display case by changing the number and the velocity of air curtain.

通过改变风幕的层数和各层风幕的送风速度，实验测试陈列柜运行期间柜内各层搁架上的瞬态温度值，来研究低温陈列柜内温度的变化和分布情况。

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Digital Display Double Precision Mitre Saw is used for cutting profiles of alu - door - window and curtain wall.

数显双头精密切割锯用于铝门窗及幕墙型材的切割。

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The invention provides a curtain type protective cover of a display device, which comprises a control unit, a rotational structure and fence cloth.

本发明提供一种显示装置的拉幕式保护罩，其包括控制单元、转动结构及 防护布。

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The three-hour ceremony will begin at 21:00 BST with "an hour of culture", followed by the athletes parade, then the lighting of the cauldron and a fireworks display to bring down the curtain.

BBC: London 2012: Olympics opening ceremony details revealed